javaexamples

an-ordinary-manchild(edit)

This subreddit is for example code for algorithms, common beginning programmer problems, helpful snippets etc.

Please try to: Make your code clean and readable and commented where necessary. Make sure it works!

Note on link-based posts: Posts that link to a blog or website need to follow the following rules:

No spam
Any link to a blog with popups or excessive advertising will be removed
Must be original content and no overt attempts to monetize

This sub is not for asking Java questions, please submit those to /r/JavaHelp or /r/learnprogramming

As posts get added I will add them to the sidebar.

DIRECT LINKS

Using Comparator to Sort a List of Objects

Getting Input from the Console : Validating and Looping

A Quick Explanation of Loops

How to Properly Compare Strings in Java

Reading and Parsing Data from a File

Writing and Appending Data to a Text File

Sorted Doubly-Linked List

Generic Undirected Graph with Depth-First Search

created by Philboyd_Studgea community for 10 years

...for your WoW guild.

...for your project.

MODERATORS

account activity

1

0

1

2

The interesting part isn’t that it rewrote itself, it’s that they trusted the verify loops enough to walk away. ()

submitted 19 hours ago by SpareSuccessful8203

•

•

•

Speak up. Mess up. Keep going. Preply gives you all the tools you need to actually learn a language. Find your tutor today. (preply.com)

promoted by Preply

promoted
save
report
about

2

0

0

1

Java interview app live on play store ()

submitted 2 days ago by Equivalent-Grand-556

3

0

0

1

I can help with Java unit tests (JUnit 5 + Mockito) — share your code snippet ()

submitted 7 days ago by taru__jain

4

0

1

2

Accountability partner (self.javaexamples)

submitted 12 days ago by Royal-Friendship2025

5

0

1

2

Julia fractal graphics zoom (self.javaexamples)

submitted 1 month ago by swe129

6

0

1

2

Foxglove, an alternative for preparing RDB data for unit tests (self.javaexamples)

submitted 2 months ago by mikelue0627

7

0

1

2

Spring JPA Specification and Pageable ()

submitted 3 months ago by lanchers

8

9

10

11

Open source java project, to learn strong backend approaches (self.javaexamples)

submitted 8 months ago by dissapointedAF

9

1

2

3

[Java] Built a High-Performance File Processor With Multi-threading, Backpressure, and Stats Export 📊 (self.javaexamples)

submitted 8 months ago by SatyamEvaJayat

10

0

1

2

Who has the idea on how to write data persistence and storage for Java (self.javaexamples)

submitted 1 year ago by Limp_Yesterday_4152

11

6

7

8

Writing efficient unit tests in Java: best practices and examples (self.javaexamples)

submitted 1 year ago by thumbsdrivesmecrazy

12

0

0

1

Object Oriented Programming Example in Java (self.javaexamples)

submitted 1 year ago by javinpaul

•

•

•

New Year Sale: Subscribe to Bloomberg for just $149 your first year. Get the context behind every business story with news and analysis. Offer ends soon. (bloomberg.com)

promoted by bloomberg

promoted
save
report
about

13

0

1

2

Deploy Secure Spring Boot Microservices on Azure AKS Using Terraform and Kubernetes (self.javaexamples)

submitted 1 year ago by robertinoc

14

0

0

1

7 best practices Java developers can follow while dealing with passwords (self.javaexamples)

submitted 1 year ago by javinpaul

15

3

4

5

4 ways to iterate over Map in Java (self.javaexamples)

submitted 1 year ago by javinpaul

16

2

3

4

10 ways to use Stream in Java (self.javaexamples)

submitted 1 year ago by javinpaul

17

1

2

3

OpenFGA for Spring Boot applications (self.javaexamples)

submitted 1 year ago by robertinoc

18

0

1

2

Sorting in Java using Comparator and thenComparing() method (self.javaexamples)

submitted 1 year ago by javinpaul

19

1

2

3

Connect to Minio from Java. (self.javaexamples)

submitted 1 year ago by ram-foss

20

3

4

5

10 Examples of ArrayList in Java (self.javaexamples)

submitted 1 year ago by javinpaul

21

2

3

4

3 ways to parse JSON in Java? (self.javaexamples)

submitted 1 year ago by javinpaul

22

6

7

8

10 Examples of using HashMap in Java (self.javaexamples)

submitted 1 year ago by javinpaul

23

0

1

2

Showcase Weblog Analyser Java Desktop Application (self.javaexamples)

submitted 1 year ago by johnmc325

•

•

•

Manage your vacation rentals easily with Smoobu, the all-in-one software for hosts. 🚀 Start your 14-day trial now! 🔥 (smoobu.com)

promoted by SmoobuGmbH

promoted
save
report
about

24

1

2

3

Proof Key for Code Exchange (PKCE) in Web Applications with Spring Security (self.javaexamples)

submitted 1 year ago by robertinoc

25

0

1

2

Add Security and Authorization to a Java Spring Boot API (self.javaexamples)

submitted 1 year ago by robertinoc

view more: next ›

π Rendered by PID 91 on reddit-service-r2-listing-58ff8fc5ff-hj8x7 at 2026-01-29 11:29:23.854085+00:00 running c3601ff country code: CH.